Commit Graph

9 Commits

Author SHA1 Message Date
98a5c924fc Cycles: Metal readiness: Specify DeviceQueue::enqueue arg types
This patch adds new arg-type parameters to `DeviceQueue::enqueue` and its overrides. This is in preparation for the Metal backend which needs this information for correct argument encoding.

Ref T92212

Reviewed By: brecht

Maniphest Tasks: T92212

Differential Revision: https://developer.blender.org/D13357
2021-11-29 14:56:06 +00:00
97ff37bf54 Cycles: perform CPU film reading in the kernel, to use AVX2 half conversion
Adds a bunch of CPU kernel function to process on row of pixels, and use those
instead of calling unoptimized implementations.

Fixes T92598
2021-11-05 22:04:36 +01:00
fd25e883e2 Cycles: remove prefix from source code file names
Remove prefix of filenames that is the same as the folder name. This used
to help when #includes were using individual files, but now they are always
relative to the cycles root directory and so the prefixes are redundant.

For patches and branches, git merge and rebase should be able to detect the
renames and move over code to the right file.
2021-10-26 15:37:04 +02:00
fd77a28031 Cycles: bake transparent shadows for hair
These transparent shadows can be expansive to evaluate. Especially on the
GPU they can lead to poor occupancy when only some pixels require many kernel
launches to trace and evaluate many layers of transparency.

Baked transparency allows tracing a single ray in many cases by accumulating
the throughput directly in the intersection program without recording hits
or evaluating shaders. Transparency is baked at curve vertices and
interpolated, for most shaders this will look practically the same as actual
shader evaluation.

Fixes T91428, performance regression with spring demo file due to transparent
hair, and makes it render significantly faster than Blender 2.93.

Differential Revision: https://developer.blender.org/D12880
2021-10-19 15:11:09 +02:00
Brecht Van Lommel
1df3b51988 Cycles: replace integrator state argument macros
* Rename struct KernelGlobals to struct KernelGlobalsCPU
* Add KernelGlobals, IntegratorState and ConstIntegratorState typedefs
  that every device can define in its own way.
* Remove INTEGRATOR_STATE_ARGS and INTEGRATOR_STATE_PASS macros and
  replace with these new typedefs.
* Add explicit state argument to INTEGRATOR_STATE and similar macros

In preparation for decoupling main and shadow paths.

Differential Revision: https://developer.blender.org/D12888
2021-10-18 19:02:10 +02:00
2ba7c3aa65 Cleanup: refactor to make number of channels for shader evaluation variable 2021-10-15 15:42:44 +02:00
d7f803f522 Fix T91641: crash rendering with 16k environment map in Cycles
Protect against integer overflow.
2021-09-23 17:48:16 +02:00
4d66cbd140 Cleanup: spelling in comments 2021-09-22 14:54:01 +10:00
0803119725 Cycles: merge of cycles-x branch, a major update to the renderer
This includes much improved GPU rendering performance, viewport interactivity,
new shadow catcher, revamped sampling settings, subsurface scattering anisotropy,
new GPU volume sampling, improved PMJ sampling pattern, and more.

Some features have also been removed or changed, breaking backwards compatibility.
Including the removal of the OpenCL backend, for which alternatives are under
development.

Release notes and code docs:
https://wiki.blender.org/wiki/Reference/Release_Notes/3.0/Cycles
https://wiki.blender.org/wiki/Source/Render/Cycles

Credits:
* Sergey Sharybin
* Brecht Van Lommel
* Patrick Mours (OptiX backend)
* Christophe Hery (subsurface scattering anisotropy)
* William Leeson (PMJ sampling pattern)
* Alaska (various fixes and tweaks)
* Thomas Dinges (various fixes)

For the full commit history, see the cycles-x branch. This squashes together
all the changes since intermediate changes would often fail building or tests.

Ref T87839, T87837, T87836
Fixes T90734, T89353, T80267, T80267, T77185, T69800
2021-09-21 14:55:54 +02:00